Hoop-iron stretcher



Dec. 19, 1922. 1,438,955. R. J. GILMORE.

HooP IRON STRETCHER.

FILED JULY 2.1918.

Patented en. i9, llZZ.

NlTED STATES ROBERT JACKSON GILMORE, OF ASSAM, BRITISH INDIA.

HOOP-IRON STRETCHER.

Application filed July 2, 1918. Serial No. 243,081.

To azZZ whom it may concern.'

Be it known that l, ROBERT JaoKsoN GIL- Monn, a subject of His MajestyKing George V, whose address is Dooria Tea Company Limited, Badliparpost office, Assam, British India, have invented Improved Hoop- IronStretchers7 of which the following isa specification.

The object of this invention is the pro-H vision of an improvedapparatus for ethciently stretching hooping iron over or around boxesand packages.

My invention will be described with reference to the accompanyingdrawings :in which like letters of reference indicate like parts, and inwhich lfigure l a side elevation; and

Figure 2 a partial cross section. of the ,same on line X X.

My instrument consists of a handle or lever provided with a projectionor lug l at its end. To tl 's lug the gripping lever is pivol'cd at D.stud bolt or rivet.

rl`he pivot hole in the head E of the gripping lever is drilledeccentrically so that on mornin' the lever (l towards the handle orlever A a (fain action comes into play.`

(lripping surfaces lf' il" are formed on 'the heads of the handle andthe gripping levers respectively.

"These gripping surfaces may if preferred be serrated, roughened ortoothed, or may he smooth hardened surfaces. l have however found thata. smooth surface on the'inain lever A with a rougrhened surface on thegripping face of the head E on, the small lever C to be the mostsatisfactory combination.

rlhe gripping surfaces are so formed that hoop iron may be passedbetween the two surfaces.` and then simply by forcing the gril pinglever (j towards the handle A the hoop iron is firmly held and preventedfrom slipping. iron to slip 'through the gripping` surfaces causes themto grip more securely together.

.ln using. my appliancr-i7 the end of the hooping iron having first beenattached to the boil: or case to be hooped, it is passed rThis pivot maybe a.A

ny tendency of the hooping between the gripping surfaces F and F. Theinstrument is then placed against the edge of the box or case and thegripping lever-C closed to grip the hoop iron. The instrument is thenforced `down levering against the bor;7 and the cammed formation of thegripping surfaces causes them to hold more and more securely as thelower end of A is forced down, whereby stretching the hooping iron tothe requisite tension and at the same time automatically pressing theplanks of the box or case firmly into their correct position and therebyleaving the `operator both hands free for nailing or fixing` thehoopingI "iron to its final position.

The object of the small lever C is to entus from the hooping irons7 asby pulling` the lever C away from the `lever A the grip at F F isinstantly released.

Having now particularly described and ascertained the nature of my said1nven' tion and in what manner the sameis to be performed7 I declarethat whatl claim is An instrument for use in stretching hooping iron forcontainersvcomprising a lever handle,a'n enlarged part formed on one endof the lever handle and projecting to one side of thecenter line of thehandle to form a falcrum for the instrument, a hand lever having, a camparteccentrically pvoted on the said enlarged part, the said cam beingprovided with peripheral serrations for gripping the hooping iron whenthe lever handle andhand lever are suhstantially parallel to each other,and the said enlarged part being recessed to form an inclined `bearingsurface adjacent to the periphery of the said cam and to receive thelever 'handle in suchmanner that the centerline of the hooping` irongripped by the instrument is intersected by the center line of the leverhandle..

In testimony whereof l hereto a'liix my signature in presence of twowitnesses, this sixteenth day of April 1918.

ROBERT JACKSON GILMO'RE.

lllitnesses:

CURris Ginnnsrin SKnNn,

l-lAMn/ron ALnXANnnR GARDNnR.

`sure an easy disengagement of the appara-

